CN104135876B - Tobacco smog filte r - Google Patents
Tobacco smog filte r Download PDFInfo
- Publication number
- CN104135876B CN104135876B CN201380008813.9A CN201380008813A CN104135876B CN 104135876 B CN104135876 B CN 104135876B CN 201380008813 A CN201380008813 A CN 201380008813A CN 104135876 B CN104135876 B CN 104135876B
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- CN
- China
- Prior art keywords
- core
- extended longitudinally
- continuously
- filter
- outer layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0229—Filter rod forming processes
- A24D3/0237—Filter rod forming processes by extrusion
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
- A24D3/0212—Applying additives to filter materials
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0229—Filter rod forming processes
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
- A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The present invention provides a kind of methods for producing tobacco smog filte r or filter cell, this method comprises: the core for the material extended longitudinally that heat treatment continuously moves forward；The cooling thermally treated core continuously to move forward；And the outer layer of tobacco smoke filtration material extended longitudinally is formed to form the stick continuously to move forward around the core continuously to move forward, the stick includes the core (1a) of the material extended longitudinally, and the outer layer (2a) of the tobacco smoke filtration material around core (1a) engagement extended longitudinally extended longitudinally.Additionally provide the product of apparatus for carrying out the process and this method.
Description
Technical field
The present invention relates to production tobacco smog filte r and filter cell, for example, " core (strand) " filter and
Filter cell has the air of round or noncircular cross section inner core or inner core, package core (engaging around core)
The outer layer of permeable (tobacco smoke filtering) material, and the optional outer cladding part around outer layer engagement.
Background technique
' fragrance line ' cigarette filter is as known in the art.Such filter combines line or belt element and (usually exists
It is wherein longitudinally aligned), which carries the smog modifying agent of such as essence.These are initially mentioned in US4281671,
It is preferred element in wherein narrow cotton suture.
Concentric core cigarette filter is also known comprising by outer layer (annulus or the annular of another filtering material
Layer) wrapping a kind of filtering material cylinder core.These are also referred to as coaxial core filter (CCF).Using two kinds it is such not
With filtering material for core and ring-shaped outer layer can cause unhandsome terminal contour in final filter cigarettes, and because
This, in addition to the flat mouth end plug of acceptable consistent terminal contour, usual concentric core filter is used for double component or other more structures
In part filter.Unhandsome shape can be reduced or eliminated by ensuring that inner core is centrally located (in outer layer).The application
People also develops " concentric " core filter, has the noncircular cross section limited (for example, star cross section or heart-shaped section in wherein inner core
Face).This has provided filter with unique and more attractive terminal contour and has eliminated to concentric core filter and put down
The needs that mouth end plug combines, to reduce the cost and number of steps of entire filter manufacturing operation.
Summary of the invention
The applicant develops a kind of core filter or filter cell now comprising around " core " (or one
Above core) engagement tobacco smoke filtration material stick, the core include extend longitudinally through stick it is continuous (usually
Extrude) element.Compared to CCF (its core and annulus are all usually filtering material), core do not need filter capacity and
It can not influenced well by smog stream almost；This is because core filter is to be designed to mention to finished filter cigarette
For the vision products of unique (and more attractive) terminal contour, this may be advantageous anti-fake purpose.Core (or it is each
A core, if there is more than one core) single (extruding) filamentary element is generally included, it is pre-formed, for example, logical
Cross extruding for plasticising carbonic acid cellulose (CA) or other polymer.Core can provide visual cues, because it is than simple line
Or band is formed with more wide diameter, and multiple section can be used and formed.Core is also acted as fragrance to be maintained at fragrance mistake
Medium (seeing below) in filter.In order to provide advantageous terminal contour, need for core to be accurately located at tobacco smoke mistake
In the outer layer of filter material material: for example, needing if filter or filter cell include single core or it is expected that core substantially occupies
It is positioned (in outer layer) middlely；If filter or filter cell include two or more cores, need core about that
This is accurately located and is located in outer layer.
As described above, core is usually pre-formed, for example, extruding by plasticising cellulose acetate material.It is being formed
Later, core generally winds (for example, being rolled on spool or spool), to be easy to before manufacture is at finished product core filter stick
Transport and storage.In order to provide filter with the terminal contour of unique and more attractive, core (for example, have it is round or
The noncircular cross section more preferably limited) compared to line or belt used in the filter in fragrance line type will usually have phase
To broader section, for example, the section for cigarette filter at its widest point for 1.4mm or 2.5mm is (or in circle
Be the diameter of 1.4mm or 2.5mm in the case where section), or even in cigar using or with for cigar is used together
For the section for being up to 10mm.It has been found that the core with these relatively wide sections (diameter), especially noncircular cross section
Those of, it is easy to buckling after the expansion or bending, this can lead to the unacceptable (unqualified) final of dislocation core
Finished filter (stick).Accordingly, it is desirable to provide the active position of core or multiple cores in final finished stick is (that is, effectively fixed
Position).
According to the present invention, in a first aspect, provide a kind of method for producing tobacco smog filte r or filter cell,
This method comprises:
It is heat-treated (for example, reaching 40 DEG C to 130 DEG C of temperature, preferably reaching 100 DEG C to 120 DEG C of temperature) continuously
The core (for example, inner core) for the material (for example, there is round or noncircular cross section core) of Forward extended longitudinally；
The core of cooling thermally treated continuous Forward (extending longitudinally) is (for example, reach environment temperature, for example, reaching
10 DEG C to 30 DEG C, preferably reach 15 DEG C to 20 DEG C)；And
It is outer that extending longitudinally for tobacco smoke filtration material is formed around the core of continuously Forward (extending longitudinally)
For layer (for example, general toroidal outer layer) to form the stick continuously to move forward, which includes (for example, having round or noncircular cross section
) core (for example, inner core) extended longitudinally of material, and around the core engagement (for example, cladding) extended longitudinally
Tobacco smoke filtration material the outer layer (for example, general toroidal outer layer) extended longitudinally.
It will be appreciated that this method can be used for producing filter or filter cell including more than one core.
Therefore, the present invention can provide the methods of production tobacco smog filte r or filter cell, this method comprises:
Be heat-treated (for example, reaching 40 DEG C to 130 DEG C of temperature, preferably reaching 100 DEG C to 120 DEG C of temperature) two or
The core (for example, inner core) of multiple materials extended longitudinally continuously to move forward；
The core of cooling thermally treated continuous Forward (extending longitudinally) is (for example, reach environment temperature, for example, reaching
10 DEG C to 30 DEG C, preferably reach 15 DEG C to 20 DEG C)；And
It is outer that extending longitudinally for tobacco smoke filtration material is formed around the core of continuously Forward (extending longitudinally)
For layer (for example, general toroidal outer layer) to form the stick continuously to move forward, which includes the core (example of the material extended longitudinally
Such as, inner core), and prolonging along longitudinal direction for the tobacco smoke filtration material of (for example, cladding) is engaged around the core extended longitudinally
The outer layer (for example, general toroidal outer layer) stretched.
Being somebody's turn to do the core extended longitudinally that (or each) continuously moves forward can be preformed core.Here, term is " pre-
It is initially formed and " means that core (prolongs in the outer layer of tobacco smoke filtration material extended longitudinally around continuously Forward along longitudinal direction
Stretch) core formed before at least 10 seconds (for example, at least 15 minutes, for example, at least 10 seconds to 30 days or more long) formed.
Preferably, being somebody's turn to do the core extended longitudinally that (or each) continuously moves forward does not include tobacco smoke filter material
Material.Core can be impermeable or substantially impermeable for air and/or (tobacco) smog.
The core extended longitudinally that (or each) continuously moves forward can single (for example, not crimping) filament member
Part.
As described above, the applicant develops a kind of filter or filter cell comprising around core (or one
Above core) engagement tobacco smoke filtration material layer.It is somebody's turn to do or each core may include extending longitudinally through filter
Or the continuous elements of filter cell.Core is usually single filamentary element.Preferably, core does not include tobacco smoke filtering
Material.In other words, it is preferred that core is unable to filtration of tobacco smoke.For example, core can be the thin of single (for example, not crimping)
Silk element (for example, being formed by the plasticising cellulose acetate or other polymer extruded).Core is usually preformed.Change speech
It, core is usually by surrounding the work that the core continuously to move forward is formed with the outer layer of tobacco smoke filtration material extended longitudinally
The different technique of skill is formed, and the core continuously to move forward is therefore surrounded in the outer layer of tobacco smoke filtration material extended longitudinally
It is formed (for example, at least 15 minutes, for example, at least 10 seconds to 30 days, or even more long) at least 10 seconds before portion is formed.This is
With CCF directly compared with, the core extended longitudinally in CCF include tobacco smoke filtration material (e.g., including it is a large amount of smaller
Crimped filaments, the single filament core without being non-smoke filtration material), and in the outer layer of filtering material (annulus or ring
Shape layer) surround a part for when core is formed or being directly formed as the manufacturing process of CCF before.
Preferably, being somebody's turn to do the core extended longitudinally that (or each) continuously moves forward has noncircular cross section.
Preferably, (or each) of material continuously moves forward, the core (for example, inner core) of (extending longitudinally) includes
Extruded material (extrudes element).Core (the example of (extending longitudinally) preferably, (or each) of material continuously moves forward
Such as, inner core) it include thermoplastic polymer or thermoplastic elastomer (TPE), for example, extruding thermoplastic polymer.For example, thermoplasticity polymerize
Object can be or mixtures thereof cellulose acetate, polyethylene, polypropylene, polylactic acid, polyester.Preferably, should (or each) core
It include cellulose acetate.It is known (for example, with reference to US4228246) that preparation, which extrudes a grade method for cellulose acetate powder,.
Extruding grade cellulose esters particle can be from Rotuba Extruders(Linden, New Jersey) with trade mark " Naturacell "
It is commercially available.It extrudes grade cellulose esters particle and is transformed into and used according to the invention extrude element.It is somebody's turn to do (or each) core also
It may include plasticizer (for example, glyceryl triacetate).The amount of plasticizer in core can be 7% to 42% based on the weight of core, for example, pressing
The poidometer of core can be 15.1% to 35%.Preferably, should (or each or one) core for moving forward along longitudinal direction be preparatory shape
At, for example, by extruding, for example, by extruding plasticising CA or other polymer.Being somebody's turn to do (or each) core can be tobacco smoke
Filtering material (for example, (filament) cellulose acetate tow), but this is not preferred.
Heat treatment (for example, reaching 40 DEG C to 130 DEG C of temperature, preferably reaching 100 DEG C to 120 DEG C of temperature) can be
By steam being applied on the core extended longitudinally continuously to move forward.
It will be appreciated that cooling can be by being actively cooled the core extended longitudinally (for example, by that will cool down
Air is applied to core etc.) or by allowing it to be cooled to proper temperature.
Material should (or each) continuously move forward (extending longitudinally) core during heating treatment (and be optionally
During cooling step) (for example, straightening under tension) is preferably under tension.For example, tension can be by making core Forward (example
Such as, pull) (movement) (for example, from core position stored thereon such as spool or spool) apply.Tension preferably exists
Core is set to straighten (that is, keep core directly) during heat treatment (and optionally during cooling step).
It has been found that by heating and being cooled to by core and (allow its cooling) come to this before forming outer layer
(or each) core pretreatment (preferably under tension) has greatly reduced or eliminated buckling or bending effect.
0.7mm can be had extremely at its widest point by being somebody's turn to do (or each) core (for example, round or noncircular cross section core)
The section of 10mm, preferably 0.7mm to 2.6mm (for example, 0.7mm to 0.9mm or 1.2mm to 2.6mm, for example, 0.8mm,
1.4mm or 2.5mm).Therefore, the core of circular cross-section can have the section of the diameter of 0.7mm to 10mm, preferably 0.7mm extremely
2.6mm (for example, 0.7mm to 0.9mm or 1.2mm to 2.6mm, for example, 0.8mm, 1.4mm or 2.5mm).It will be appreciated that
The number for the core that may include is related compared to the diameter of Fiber Diameter to core.For example, in the filter of 24.5mm perimeter
In, it is possible to technique through the invention includes two cores that diameter is 0.8mm or 1.4mm, but can only include a 2.5mm
The core of diameter.
(or each) core (for example, core of noncircular cross section) preferably (for example, directly) core shape should surrounded
At Forward (for example, transmission, feeding) passes through positioning device along longitudinal direction before the outer layer extended longitudinally.Positioning device along and this
The direction substantially common direction guidance that (or each) core moves forward after forming the outer layer extended longitudinally around core should
(or each) Forward core.Positioning device can also guide along a direction and be somebody's turn to do (or each) Forward core, and the direction is expert at core
The direction to move forward into before passing through positioning device it is roughly the same [therefore, should (or each) core along substantially common direction from adding
But equipment is advanced through positioning device to hot/cold, until forming the outer layer extended longitudinally around core (or multiple cores)].It is fixed
Position equipment may include transfer passage, via the transfer passage, is somebody's turn to do (or one or each) core and moves forward to aggregation apparatus.Positioning is set
Standby may include single transfer passage, and via the transfer passage, the core or multiple cores move forward to aggregation apparatus, or may include using
In the transfer passage of each core.For example, transfer passage can be hollow tube (for example, having the internal diameter of 0.5mm to 11mm, preferably
For the internal diameter of 0.5mm to 2.7mm, for example, 0.7mm to 2.6mm, for example, 1.2mm to 2.5mm), the hollow tube are oriented and enclose
The direction that core moves forward after the outer layer that core formation extends longitudinally is roughly the same.Before (or each) is somebody's turn to do in positioning device guidance
It moves core and enters correct position, the outer layer thus extended longitudinally is formed around the core or multiple cores, and wherein core is accurate
Ground is located in outer layer.
This method can provide due to core that its (for example, setting) is accurately located and have unique and attractive end
Hold the filter and filter cell of shape.The core being centered about with the filter cigarettes for being provided to completion is (or accurate
The core prints of positioning) unique terminal contour anti-fake purpose can be advantageous.
Preferably, the outer layer of tobacco smoke filtration material extended longitudinally is somebody's turn to do (or each) around (for example, wrapping)
Core (inner core) engagement extended longitudinally, so that being somebody's turn to do the outside of (or each) core (inner core) by tobacco smoke filtration material
The outer layer encapsulating extended longitudinally.
Finished filter or filter cell are a substantially circular shape or elliptic cross-section.(or each) extends longitudinally
Core (inner core) can be round or oval section, or be star, trilobal, pentagon, tooth form, heart or icon tee section,
Or other noncircular cross sections.Preferably, being somebody's turn to do the no spiral section of core (inner core) that (or each) extends longitudinally.
The outer layer extended longitudinally includes tobacco smoke filtration material.Preferably, outer layer (the general toroidal sheet of wrapping
Body) filtering material be (for example, aggregation and connection) cellulose acetate tow, optionally include plasticizer (for example, triacetic acid
Glyceride).Other fibers or filament material can also be used in any outer layer.Outer layer is preferably attached on core material to prevent
Separation.
It is somebody's turn to do (or each) core (inner core) and/or outer layer may include pigment.Being somebody's turn to do (or each) core (inner core) preferably has
Contrastive colours relative to outer layer.Preferably, should (or each) core (inner core) (including pigment and) is had with outer layer not
With color to enhance the terminal contour of filter.For example, core (inner core) can be red, blue, green or black, and outer layer
It can be white.If there is more than one core, then they can have contrastive colours or same color.
Being somebody's turn to do (or each) core may also include smog modifying agent (for example, essence such as menthol etc.).However, core (or
Multiple cores) material of relative non-porous is generally included, and its fragrance bearing capacity therefore may be lower.Therefore, alternately
Or in addition, being used to for fragrance being applied to the other known method on filter can be used for for fragrance being applied to core (for example, will
The menthol of liquor aromas agent or melting is directly injected into the tow stream of condensation (or condensation)).
Preferably, the filtering material for forming outer layer is cellulose acetate tow, plasticizer is optionally included (for example, three
Acetin).This method may include surrounding (interior) core extended longitudinally for being somebody's turn to do (or each) and continuously moving forward in outer layer
When forming (for example, condensation) and/or the outer layer of the Forward of tobacco smoke filtration material is heat-treated soon later another
One step optionally has subsequent cooling step.Heat treatment (and optional cooling) can be such that plasticizer (if present) activates
With by filtering material be formed about core mutually adhere to, connection smoke permeable structure (for example, if not coating
Part presence).
This method may also include the step of applying coating member around the stick continuously to move forward.Either side according to the present invention
Finished filter or filter cell be preferably coated in external filter forming paper (plug wrap).The filter stick formation paper
It can be porous or non-porous.
This method may also include the filter or filter elements that the stick that will continuously move forward is cut into single or multiple length
The step of part.Finished filter or element according to the present invention preferably with continuous length formation and have been then cut into limit for length
Degree.These can be the multiple (for example, four times or six times) of the length of final filter top (tip).Finished filter top can
With 14mm to the perimeter between 44mm, more preferably in 21mm between 28mm, and have 15mm to the length between 40mm.Root
There can be the perimeter of 14mm to 28mm according to tobacco smog filte r produced by the invention or filter cell, for example, 21mm is extremely
26mm, for example, 24mm to 25mm.For the core of 2.5mm diameter, Zhou Changwei 24mm or more than filter be preferred
's.Finished product tobacco smog filte r of the invention can have the length of 10mm to 40mm, for example, 15mm to 35mm, for example, 20mm
To 30mm.Finished product tobacco smoke filter cell of the invention can have the length of 5mm to 30mm, for example, 6mm to 20mm, example
Such as, 8mm to 15mm, for example, 10mm to 12mm.
Filter and filter cell produced by the invention can be used for machine-made cigarette (for example, batch production
With packaging those of).Filter and filter cell according to the present invention also act as (or being used for) filter top end, the filtering
Device top combine the cigarette (for example, the cigarette rolled by hand) that individually rolls or oneself roll or homemade product make together
With.
Finished filter element according to the present invention also acts as multi-segmental filter (for example, binodal, three sections or other more
Save filter) mouth end segment section.Such filter is well-known in the art.
According to the present invention, it is provided with a kind of equipment for making tobacco smog filte r stick, which includes stick
The material extended longitudinally (interior) core, and the tobacco smoke filtration material around the core engagement extended longitudinally
(extending longitudinally) outer layer；The equipment includes:
For making (interior) core continuously move forward the conveying device of (for example, conveying)；And
Aggregation apparatus (for example, attachment) is used to assemble the filtering material to move forward along longitudinal direction and the filter material by aggregation
Material is condensed into bar form around (interior) core of Forward to form outer layer；
Wherein, which further includes heat treatment station, and the heat treatment station is for being heat-treated (for example, reaching 40 DEG C to 130 DEG C
Temperature preferably reaches 100 DEG C to 120 DEG C of temperature) inner core extended longitudinally that continuously moves forward；And
Cooling stations, the cooling stations are for thermally treated continuously Forward cooling before core is advanced to aggregation apparatus
The core of (extending longitudinally) (for example, reaching environment temperature, for example, reaching 10 DEG C to 30 DEG C of temperature, preferably reaches 15 DEG C
Temperature to 20 DEG C).
The equipment can be used for making tobacco smog filte r stick, which includes the material of stick extended longitudinally
One or more (interior) cores, and the tobacco smoke filtration material around core (or the multiple cores) engagement extended longitudinally
(extending longitudinally) outer layer.
The material of stick extended longitudinally should or each (interior) core can be preformed core.
It is somebody's turn to do or each (interior) core can single (for example, not crimping) filamentary element.
It is somebody's turn to do or each (interior) core can be not tobacco smoke filtration material (not including tobacco smog filte r material)
Material.Core can be impermeable or substantially impermeable for air and/or (tobacco) smog.The equipment, which may also include, to be used for
During heating treatment (and optionally during cooling step) under tension (for example, straightening under tension) make material should (or
It is each) device that continuously moves forward of core.For example, tension can by make core Forward (for example, pull) (movement) (for example,
The support stored thereon from core such as spool or spool) apply, in the case, the device may include conveying device and
(for example) support.Tension straightens core (that is, keeping core
Portion is straight).
The equipment may also include positioning device, which includes placed channel, and it is logical via this to be somebody's turn to do (or each) core
Road moves forward to aggregation apparatus.Positioning device may include single transfer passage, via the transfer passage, before the core or multiple cores
Aggregation position is moved to, or may include the placed channel for each core.
Placed channel is preferably surrounding what (or each) core formation extended longitudinally along with (or each) core
The direction substantially common direction guidance to move forward after outer layer should (or each) Forward core.Placed channel can also draw along a direction
(or each) Forward core is led, the direction that the direction and (or each) core move forward before travelling across placed channel is big
Cause it is identical (therefore, core is advanced through placed channel from heating/cooling stations along substantially common direction, until surround core shape
At the outer layer extended longitudinally).For example, placed channel may include hollow tube (for example, having the internal diameter of 0.5mm to 11mm, preferably
For the internal diameter of 0.5mm to 2.7mm, for example, 0.7mm to 2.6mm, for example, 1.2mm to 2.5mm), the hollow tube are oriented and enclose
The direction that core moves forward after the outer layer that core formation extends longitudinally is roughly the same.Placed channel should (or each) Forward
Core is directed to correct position, is thus somebody's turn to do the outer layer that (or each) extends longitudinally and is formed around (or each) core is somebody's turn to do,
Middle core (multiple cores) is accurately located in outer layer.(or each) core is somebody's turn to do (for example, round or noncircular cross section core
Portion) preferably (for example, directly) move forward along longitudinal direction before forming the outer layer extended longitudinally around core (for example, transmission,
Feeding) pass through placed channel.
Positioning device may also include adjuster (for example, adjuster mechanism), be used to adjust placed channel and therebetween edge
The substantially vertical axis in the Forward direction relative to the filtering material to move forward along longitudinal direction is up and/or down (for example, substantially hang down
Directly the up and/or down) position of the core to move forward.For example, adjuster (for example, adjuster mechanism, for example, vertical adjustment
Device) it can be used for adjusting placed channel and the substantially vertical axis in a plane moves forward up and/or down therebetween core
The position in portion, the plane are approximately perpendicular to the direction that filtering material moves forward along longitudinal direction.Therefore, if z-axis line is the vertical of finished product stick
Axis (and Forward/direction of travel of filtering material), then positioning device can provide core in finished product stick along the position of " x " axis
Adjustment.
Positioning device may include lateral adjuster, is used to adjust placed channel and Forward therebetween is crossed relative to along vertical
To the position of the core of the approximate horizontal axis (direction, that is, substantially to the left or to the right) in the Forward direction of the filtering material of Forward
It sets.For example, lateral adjuster (for example, lateral adjuster mechanism) can be used for adjusting placed channel and moving forward therebetween cross (to
It is left and to the right) position of approximate horizontal axis in a plane, which is approximately perpendicular to the side that filtering material moves forward along longitudinal direction
To.Therefore, if z-axis line is the longitudinal axis (and Forward/direction of travel of filtering material) of finished product stick, positioning device be can provide
Core is in finished product stick along the adjustment of the position of " y " axis.
It will be appreciated that adjuster can provide the adjustment to core (or multiple cores) positioning during product manufacturing.
Therefore, cut finished product stick can be evaluated for the positioning of core, and if this is unsatisfactory, positioning device and channel
Position can in the x-direction or the direction y relative to tobacco smoke filtration material Forward direction adjust, so as to adjust core in finished product
Position in stick.Such method that (for example, " online ") tests finished product stick is known, and be will be appreciated that, they can be with
It is combined using the positioning adjustment of the process and apparatus of the present invention.
Here, term " filter stick " includes individual filter and individual filter elements well-known in this field
Part.The term further include twice or more high magnification numbe (usual four times or six times) length filter twice or more high magnification numbe it is (logical
Normal four times or six times) filter cell of length, this is also well-known.
(finished product) filter stick can have the perimeter of 14mm to 44mm, more preferably 21mm to 28mm, for example, 24mm is extremely
25mm。
The equipment may also include the coating unit for coating tobacco smog filte r stick (for example, along longitudinal direction by aggregation
The filtering material of Forward and the stick that the filtering material of aggregation is condensed into bar form formation around the continuous elements of Forward).Cladding
Device is well-known in the art.
The equipment may also include for cutting tobacco smog filte r stick (for example, the filtering to move forward along longitudinal direction by aggregation
Material and the filtering material of aggregation is condensed into bar form and the stick that is formed around the continuous elements of Forward) cutter device.It crosses
Filter stick is made for continuous stick.The continuous stick is cut into finite length when it continuously exports and draw from production machine
Then to use.This cutting produces individual filter or filter cell, wherein each filter or filter elements
Part is then attached to the tobacco rod being individually wrapped by form filter cigarettes.However, more generally, continuously drawing
Stick is first cut into twice or the length of more high magnification numbe (usually four times or six times) is then to use.It is cut when initially
It quadruples or when the length of more high magnification numbe, then the latter is cut into double length subsequently for filter cigarettes component, wherein twice
The filter stick of length assembles between the tobacco rod that a pair is wrapped by and connection is (by ring-type tipping (tipping) or completely
The outer cladding part (overwrap) of tipping), wherein then the sub-assembly is cut off to provide two individual filters with being centered
Cigarette.This is final cutting, in the reality of the cigarette including filter or filter cell using equipment making of the invention
In example, which can show the termination of the element of unique color and/or shape.The equipment can make (for example, twice or
It is higher) the filter stick (or filter cell stick) of multiple length, including the multiple filter stick (mistakes for example linked end-to-end
Filter element stick).
The present invention includes produced by the invention and/or any filter or mistake that are produced by equipment according to the present invention
Filter element or filter stick.
The present invention includes using filter produced by the invention and/or the filtering produced by equipment according to the present invention
Any filter cigarettes made of device.
Detailed description of the invention
The present invention is shown now with reference to attached drawing, in the accompanying drawings:
Fig. 1 is the end-view of the tobacco smog filte r of aspect according to the present invention production；And
Fig. 2 is the schematic side elevational view of the example of the equipment for the filter being used to form in Fig. 1.
Specific embodiment
Fig. 1 shows an end of the filter (or element or stick) by process according to the invention production.Filter
Including white plasticising cellulose acetate filaments tow filter material (by linking together to form the big of tobacco smoke filtration material
Amount plasticising cellulose acetate filaments formed) outer layer 2a (layer of general toroidal).Outer layer (2a) is around (and closely wrapping) tool
There is core (inner core) 1a of heart shaped cross section to engage, the core include formed by red (coloring) plasticising cellulose acetate it is single
Extrude element [that is, being the core of single filamentary element (being formed by plasticising cellulose acetate)].The cellulose acetate extruded is impermeable
Smog stream, and therefore there is no tobacco smoke filter capacity.The outer layer 2a of white plasticising cellulose acetate filaments tow is wrapped in
In plug wrap (plugwrap paper) 3a.It will be appreciated that core 1a has heart shaped cross section.The red heart being centered about
Comparison between shape core and the white wrapping outer layer of filtering material provides attractive and unique terminal contour.Filter rod disc
Paper 3a can for perforation (not shown) or air permeable to provide ventilation filter.
It will be appreciated that the filter of Fig. 1 can be connected at end by means of the outer cladding object being for example hinged with completely at its upstream
For knot to the tobacco rod (not shown) being wrapped by, which wraps and engages the overall length of filter and the tobacco rod being wrapped by
Only adjacent end portion, to form filter cigarettes.The filter of Fig. 1 can also by means of other means as known in the art (for example,
Ring-type tipping) tobacco rod is attached to form filter cigarettes.
Fig. 2 shows the schematic side elevational views for the equipment of the invention for being used to form the filter according to Fig. 1.
The band of cellulose acetate tow 10 is pulled out via funnel 15, which has the inner wall downstream assembled.It is passing through
When funnel 15, tow 10 is assembled and is largely condensed wherein.Tow 10 is also at it into and through in stick production and packet
Further assemble and be condensed into bar form when covering the aggregation apparatus of 20 form of attachment.
The core extended longitudinally of red (coloring) plasticising cellulose acetate with heart shaped cross section (1a) is by passing through
Mold extrudes plasticising acetate fiber in method well-known in this field and is usually pre-formed.It will be appreciated that making this
The various methods of the core of class setting and coloring are well-known in the art.The preformed core 1a extended longitudinally from
The support of 8 form of spool is continuously advanced through heat treatment station 9, and wherein, core 1a is exposed to the steam that temperature is 120 DEG C.
It is the section of 2.4mm that core 1a, which has width (at its widest point),.
Then thermally treated core 1a is advanced through cooling stations 9a, wherein, be cooled to core 1a greatly using air
About 18 DEG C.It will be appreciated that have the following effects that core from the movement of the Forward of spool 8 (that is, pulling), that is, material
Continuous Forward (extending longitudinally) core 1a is under tension (and straightening) in heat treatment and cooling period.Formed outer layer it
It is preceding by the way that preferably core heating and is allowed to cool (in cooling stations 9a) come pre- to core (in heat treatment station 9) under tension
First processing is greatly reduced or is eliminated because of the buckling or bending effect caused by preformed core is stored on spool 8
It answers.
Then thermally treated and cooling core 1a passes through additional roller (not shown) and continuously moves forward, which is machine
Dynamic (be attached to master machine motor and synchronous) to pull core towards positioning device 55, which includes in interior
Diameter is the placed channel of 56 form of hollow tube of 2.5mm.Additional roller (not shown) pulls core 1a, and thus the core enters and sets
Standby 55 and funnel 15, and these additional rollers are required, because mobile tow cannot simply (or only) pass through
Frictional force pulls core.Before making core enter equipment 55, which be may pass through aroma solution is sprayed onto core
On unit, or may pass through to detect core destruction sensor (so that machine automatically stops).These extra cells are simultaneously
It is not shown.
Core 1a continuously move forward (that is, exiting) from pipe 56 and be directly drawn into in funnel 15 along longitudinal direction before
The tow 10 of the aggregation (and being largely condensed) of shifting engages.Core 1a marches to stick production and cladding attachment together with tow
20 and pass through the attachment, wherein, the bar form around core 1a is further assembled and be condensed into tow 10, so that core 1a
It is incorporated in the continuous stick of finished product, the continuous stick of the finished product includes the core of (extending longitudinally for stick) material extended longitudinally
1a, and the outer layer of the filtering material (being formed by tow 10) around the core engagement extended longitudinally extended longitudinally.It will
It is appreciated that tow 10 forms the outer layer 2a in Fig. 1.Core 1a of the positioning device 55 along direction guidance Forward, the direction
It is roughly the same with the direction that core 1a moves forward after the outer layer that core formation extends longitudinally, thus by the core 1a of Forward
It is directed to correct position, thus the outer layer 2a of tow 10 extended longitudinally is formed around core, and wherein core is centrally located
In outer layer.
In equipment starting, tow passes through machine and funnel 15 enters in attachment 20, and the free end of core 1a passes through station
9,9a and positioning device 55 pipe 56, and cling tow in 15 upstream of funnel.Therefore, once equipment starts, then the silk to move forward
Beam continuously pulls core 1a, the core under tension by continuously pull (making its Forward) and from spool 8 pass through station 9,9a and
Positioning device 55 reaches tow 10.
Cladding paper 28 is continuously pulled from spool 30 and is continuously fed into attachment 20, thus paper 28 and is combined
The tow of core 1a is by continuously transporting through the attachment in the conveying device of 32 form of endless conveyor.In attachment 20
In, tow is shaped to bar form, and paper 28 is coated around overlap joint and the seam of bonding and fixed using the seam；It is overlapping
Before side edge is closed, component 34 applies in adhesive line a to edge of paper 28.The stick 36 that quantity-produced is wrapped by passes
It send to cutter 38, which cuts into individual length 40 for stick 36, and each length 40 includes continuous element 22.It is long
Degree 40 can be single filter or filter cell (for example, those of in Fig. 1), but more generally will be multiple double or more
The length of high magnification numbe (usual four times or six times) is then to use, as well-known.
Claims (15)
1. a kind of method for producing tobacco smog filte r or filter cell, comprising:
It is heat-treated the core of the material extended longitudinally continuously to move forward；
The cooling thermally treated core continuously to move forward；And
Before the outer layer extended longitudinally of tobacco smoke filtration material is formed to be formed continuously around the core that continuously moves forward
The stick of shifting, the stick include the core of the material extended longitudinally, and around the tobacco smoke of the core engagement extended longitudinally
The outer layer of mist filtering material extended longitudinally, which is characterized in that the core of the filtering material extended longitudinally continuously to move forward
Portion is preformed core, and the preformed core is surrounded in the outer layer of tobacco smoke filtration material extended longitudinally
It is formed at least 10 seconds before the core extended longitudinally continuously to move forward is formed, wherein what is continuously moved forward prolongs along longitudinal direction
The core for the material stretched is during the heat treatment under tension.
2. the method according to claim 1, wherein the core extended longitudinally does not include tobacco smoke filter material
Material.
3. the method according to claim 1, wherein the core of the material extended longitudinally continuously to move forward exists
The cooling period is under tension.
4. the method according to claim 1, wherein the core surrounds the core in the outer layer extended longitudinally
Portion is advanced through positioning device along longitudinal direction before being formed.
5. according to the method described in claim 4, it is characterized in that, the positioning device along a direction guidance Forward core,
The direction is roughly the same with the direction of the core Forward described after the outer layer extended longitudinally is formed around the core.
6. the method according to claim 1, wherein the core is extruded material；And/or the core has
Contrastive colours relative to the outer layer；And/or the core is single filamentary element；And/or what is continuously moved forward prolongs along longitudinal direction
The core for the material stretched has noncircular cross section.
7. the method according to claim 1, wherein the method also includes around the stick application continuously to move forward
The step of coating member.
8. method according to any preceding claims, which is characterized in that the method also includes continuously moving forward
Stick is cut into the step of filter or filter cell of single or multiple length.
9. a kind of equipment for making tobacco smog filte r stick, the filter stick includes extending longitudinally for the stick
The preformed core of material, and the outer layer of the tobacco smoke filtration material around core engagement；The equipment packet
It includes:
Conveying device for making preformed core continuously move forward；And
Aggregation apparatus, the aggregation apparatus is for assembling the filtering material to move forward along longitudinal direction and being condensed the filtering material of aggregation
At the bar form of the preformed core around Forward to form the outer layer, the preformed core is in tobacco smoke
The outer layer of filtering material extended longitudinally surrounds at least 10 seconds shapes before the preformed core aggregation continuously to move forward
At；
Wherein, the equipment further includes the heat treatment station for being heat-treated the preformed core of Forward, wherein before continuously
The core of the material extended longitudinally moved is during the heat treatment under tension；And
Cooling stations, the cooling stations are used for before thermally treated core is advanced to the aggregation apparatus to thermally treated core
Portion is cooling.
10. equipment according to claim 9, which is characterized in that the equipment further includes positioning device, the positioning device
Including placed channel, the core moves forward to the aggregation apparatus via the placed channel.
11. according to claim 9 or equipment described in any one of claim 10, which is characterized in that the core further includes for coating
The coating unit of the tobacco smog filte r stick；And/or the cutter device for cutting the tobacco smog filte r stick.
12. a kind of as according to claim 1 to the method production described in any one of claim 8 or by according to claim 9
To tobacco smog filte r, filter cell or the filter stick of the equipment making described in any one of claim 11.
13. a kind of includes as according to claim 1 to the method production described in any one of claim 8 or by being wanted according to right
It asks 9 to the filter of the equipment making described in any one of claim 11 or the filter cigarettes of filter cell.
14. a kind of method for producing tobacco smog filte r or filter cell, comprising:
It is heat-treated the core of two or more materials extended longitudinally continuously to move forward；
The cooling thermally treated core extended longitudinally continuously to move forward；And
Around the core for extending longitudinally of continuously moving forward formed the outer layer of tobacco smoke filtration material extended longitudinally with
The stick continuously to move forward is formed, the stick includes the core of the material extended longitudinally, and around the core extended longitudinally
The outer layer of the tobacco smoke filtration material of engagement extended longitudinally；It is characterized in that, what is each continuously moved forward prolongs along longitudinal direction
The core for the filtering material stretched is preformed core, and the preformed core is in tobacco smoke filtration material along vertical
Being formed at least 10 seconds before the core extended longitudinally continuously to move forward is formed is surrounded to the outer layer of extension, wherein continuous
The core for the material of ground Forward extended longitudinally is during the heat treatment under tension.
15. according to the method for claim 14, which is characterized in that the core each extended longitudinally does not include tobacco smoke
Filtering material；And/or each core is single filamentary element.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB1202220.8A GB201202220D0 (en) | 2012-02-08 | 2012-02-08 | Tobacco smoke filter |
| GB1202220.8 | 2012-02-08 | ||
| PCT/EP2013/052385 WO2013117620A1 (en) | 2012-02-08 | 2013-02-07 | Tobacco smoke filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104135876A CN104135876A (en) | 2014-11-05 |
| CN104135876B true CN104135876B (en) | 2019-11-22 |
Family
ID=45929850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380008813.9A Active CN104135876B (en) | 2012-02-08 | 2013-02-07 | Tobacco smog filte r |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US9730469B2 (en) |
| EP (1) | EP2811851B1 (en) |
| JP (1) | JP6267134B2 (en) |
| CN (1) | CN104135876B (en) |
| CA (1) | CA2863715C (en) |
| GB (1) | GB201202220D0 (en) |
| HU (1) | HUE045287T2 (en) |
| LT (1) | LT2811851T (en) |
| PL (1) | PL2811851T3 (en) |
| RU (1) | RU2633855C2 (en) |
| WO (1) | WO2013117620A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2776431T3 (en) * | 2014-12-16 | 2020-07-30 | Philip Morris Products Sa | Method and apparatus for forming substantially flat continuous material |
| JP6711831B2 (en) * | 2014-12-18 | 2020-06-17 | フィリップ・モーリス・プロダクツ・ソシエテ・アノニム | Device and method for making a filter |
| ITUB20151932A1 (en) * | 2015-07-06 | 2017-01-06 | Gd Spa | Method and machine for making filters |
| CN105661635A (en) * | 2016-03-02 | 2016-06-15 | 云南瑞升烟草技术（集团）有限公司 | Cigarette filter stick with special appearance and preparation method thereof |
| US10334839B2 (en) | 2016-03-31 | 2019-07-02 | Frog Creek Partners, LLC | Removable catch basin filter insert and lifting apparatus |
| US10724224B2 (en) | 2016-03-31 | 2020-07-28 | Frog Creek Partners, LLC | Storm drain grate and filter apparatus and method |
| WO2018132693A1 (en) | 2017-01-16 | 2018-07-19 | Diem, Llc | Nonlinear flexible magnetic filter element |
| GB201715924D0 (en) * | 2017-09-29 | 2017-11-15 | British American Tobacco Investments Ltd | A filter unit for a smoking article |
| WO2019170455A1 (en) * | 2018-03-08 | 2019-09-12 | Philip Morris Products S.A. | Aerosol generating articles |
| CN110353303A (en) * | 2018-04-09 | 2019-10-22 | 上海烟草集团有限责任公司 | A kind of special-shaped coaxial core filter stick and preparation method thereof |
| CN110292202A (en) * | 2019-06-14 | 2019-10-01 | 湖北金叶玉阳化纤有限公司 | A kind of PLA illusion-colour filtering material and preparation method |
| IT202000014095A1 (en) | 2020-06-12 | 2021-12-12 | Montrade S P A | Method for making a smoking product, machine for making a smoking product and use of such a machine and a smoking article thus obtained |
| CN113907416A (en) * | 2021-11-11 | 2022-01-11 | 南通烟滤嘴有限责任公司 | Preparation facilities of multiaxis multicore filter rod |
| WO2023112712A1 (en) * | 2021-12-15 | 2023-06-22 | 日本たばこ産業株式会社 | Segment for flavor inhalation article containing terpenoid compound |
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| US4291711A (en) * | 1979-03-27 | 1981-09-29 | American Filtrona Corporation | Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same |
| CN1642724A (en) * | 2002-03-29 | 2005-07-20 | 菲利普莫里斯生产公司 | Method and apparatus for making cigarette filters with a centrally located flavored element |
| CN200997902Y (en) * | 2006-08-04 | 2008-01-02 | 武汉烟草(集团)有限公司 | Control device for adding thread to cigarette filter-tip bar |
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| US4228246A (en) | 1975-11-26 | 1980-10-14 | Allied Chemical Corporation | Manufacture of fluorocarbon expanded polystyrene |
| GB2020158B (en) | 1978-04-21 | 1982-11-24 | Cigarette Components Ltd | Production of tobacco smoke filters |
| SU1031429A1 (en) * | 1981-08-05 | 1983-07-30 | Краснодарский ордена Трудового Красного Знамени политехнический институт | Method of producing filters for tobacco articles |
| US4903714A (en) * | 1987-08-25 | 1990-02-27 | R. J. Reynolds Tobacco Company | Smoking article with improved mouthend piece |
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| GB201008922D0 (en) * | 2010-05-27 | 2010-07-14 | Filtrona Int Ltd | Tobacco smoke lilter |
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- 2013-02-07 WO PCT/EP2013/052385 patent/WO2013117620A1/en active Application Filing
- 2013-02-07 RU RU2014134218A patent/RU2633855C2/en not_active IP Right Cessation
- 2013-02-07 EP EP13703571.3A patent/EP2811851B1/en not_active Not-in-force
- 2013-02-07 PL PL13703571T patent/PL2811851T3/en unknown
- 2013-02-07 CN CN201380008813.9A patent/CN104135876B/en active Active
- 2013-02-07 CA CA2863715A patent/CA2863715C/en not_active Expired - Fee Related
- 2013-02-07 HU HUE13703571A patent/HUE045287T2/en unknown
- 2013-02-07 US US14/377,283 patent/US9730469B2/en not_active Expired - Fee Related
- 2013-02-07 LT LTEP13703571.3T patent/LT2811851T/en unknown
- 2013-02-07 JP JP2014556044A patent/JP6267134B2/en not_active Expired - Fee Related
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| US4291711A (en) * | 1979-03-27 | 1981-09-29 | American Filtrona Corporation | Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same |
| CN1642724A (en) * | 2002-03-29 | 2005-07-20 | 菲利普莫里斯生产公司 | Method and apparatus for making cigarette filters with a centrally located flavored element |
| CN200997902Y (en) * | 2006-08-04 | 2008-01-02 | 武汉烟草(集团)有限公司 | Control device for adding thread to cigarette filter-tip bar |
Also Published As
| Publication number | Publication date |
|---|---|
| LT2811851T (en) | 2019-07-10 |
| JP2015506183A (en) | 2015-03-02 |
| CN104135876A (en) | 2014-11-05 |
| CA2863715A1 (en) | 2013-08-15 |
| GB201202220D0 (en) | 2012-03-28 |
| EP2811851A1 (en) | 2014-12-17 |
| RU2014134218A (en) | 2016-03-27 |
| PL2811851T3 (en) | 2019-11-29 |
| HUE045287T2 (en) | 2019-12-30 |
| EP2811851B1 (en) | 2019-04-03 |
| US20150040931A1 (en) | 2015-02-12 |
| JP6267134B2 (en) | 2018-01-24 |
| WO2013117620A1 (en) | 2013-08-15 |
| CA2863715C (en) | 2018-05-01 |
| US9730469B2 (en) | 2017-08-15 |
| RU2633855C2 (en) | 2017-10-18 |
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